Ford Mustang (1999-2004) Service Manual: Transmission Description (Description and Operation)
The 4R70W has the following features:
- Wide ratio gears
- Four speeds
- Rear wheel drive
- Automatic
- Electronic shift
- Torque converter clutch control
- Line pressure controls
The transmission uses Ravigneaux-style double-pinion gearset with two bands, one one-way roller clutch, one mechanical diode and four friction clutches to produce four forward gears and Reverse.
4R70W Automatic Transmission

Automatic Transaxle/Transmission
General Specifications
a - MERCON V is not interchangeable at this time with the current MERCON
fluids. Check the
transmission fluid level indicator to determine the correct fluid and refer to
the ...
Identification Tags
All vehicles are equipped with a Vehicle Certification Label, located
on the driver side door lock post.
For correct transmission identification, refer to the code in the space
marked TR.
...
Other materials:
Brake Booster - Vacuum (Removal and Installation)
Removal
1. Disconnect the battery ground cable (14301).
2. Remove the air cleaner housing.
3. Remove the brake master cylinder nuts.
4. Position the brake master cylinder (2140) aside.
5. With the engine off, depress the brake pedal (2455) several t ...
Principles of Operation
The speed control system is designed to maintain vehicle speed above 48 km/h
(30 mph). After the
ON switch is depressed, depressing the SET/ACCEL switch will activate the speed
control servo. To
increase a set speed, either depress and hold for continuous ac ...
Pinpoint Tests - OSC Equipped Vehicles
Special Tool(s)
Breakout Box, EEC-V Control
System
418-049 (T94L-50-EEC-V) or
equivalent
MLP-TR Cable
418-F107 (007-00111) or
equivalent
Worldwide Diagnostic System
(WDS)
418-F224
New Generation STAR (NGS)
T ...
